> -----Original Message-----
> From: ext Anders Roxell [mailto:[email protected]]
> Sent: Thursday, August 21, 2014 11:44 AM
> To: Petri Savolainen
> Cc: [email protected]
> Subject: Re: [lng-odp] [PATCH v3] Change invalid buffer pool handle to
> zero
>
> On 2014-08-21 10:52, Petri Savolainen wrote:
> > For consistency and easier debugging, use zero as the value of
> > an invalid pool handle (in linux-generic).
> >
> > v2: rename pool id
> > v3: rename pool handles
>
> v2 and v3 should be added below "---", because that should not be in
> the
> commit message.
>
> >
> > Signed-off-by: Petri Savolainen <[email protected]>
> > ---
> > include/odp_buffer_pool.h | 2 +-
> > .../linux-generic/include/odp_buffer_internal.h | 4 +-
> > .../include/odp_buffer_pool_internal.h | 6 +-
> > platform/linux-generic/odp_buffer.c | 2 +-
> > platform/linux-generic/odp_buffer_pool.c | 68
> ++++++++++++++--------
> > 5 files changed, 50 insertions(+), 32 deletions(-)
> >
> > diff --git a/include/odp_buffer_pool.h b/include/odp_buffer_pool.h
> > index 26d9f14..fe88898 100644
> > --- a/include/odp_buffer_pool.h
> > +++ b/include/odp_buffer_pool.h
> > @@ -27,7 +27,7 @@ extern "C" {
> > #define ODP_BUFFER_POOL_NAME_LEN 32
> >
> > /** Invalid buffer pool */
> > -#define ODP_BUFFER_POOL_INVALID (0xffffffff)
> > +#define ODP_BUFFER_POOL_INVALID 0
> >
> > /** ODP buffer pool */
> > typedef uint32_t odp_buffer_pool_t;
> > diff --git a/platform/linux-generic/include/odp_buffer_internal.h
> b/platform/linux-generic/include/odp_buffer_internal.h
> > index bffd0dd..2002b51 100644
> > --- a/platform/linux-generic/include/odp_buffer_internal.h
> > +++ b/platform/linux-generic/include/odp_buffer_internal.h
> > @@ -48,7 +48,7 @@ typedef union odp_buffer_bits_t {
> > odp_buffer_t handle;
> >
> > struct {
> > - uint32_t pool:ODP_BUFFER_POOL_BITS;
> > + uint32_t pool_id:ODP_BUFFER_POOL_BITS;
> > uint32_t index:ODP_BUFFER_INDEX_BITS;
> > };
> > } odp_buffer_bits_t;
> > @@ -91,7 +91,7 @@ typedef struct odp_buffer_hdr_t {
> > odp_atomic_int_t ref_count; /* reference count */
> > odp_buffer_scatter_t scatter; /* Scatter/gather list */
> > int type; /* type of next header */
> > - odp_buffer_pool_t pool; /* buffer pool */
> > + odp_buffer_pool_t pool_hdl; /* buffer pool handle */
> >
> > } odp_buffer_hdr_t;
> >
> > diff --git a/platform/linux-
> generic/include/odp_buffer_pool_internal.h b/platform/linux-
> generic/include/odp_buffer_pool_internal.h
> > index 1c0a9fc..e0210bd 100644
> > --- a/platform/linux-generic/include/odp_buffer_pool_internal.h
> > +++ b/platform/linux-generic/include/odp_buffer_pool_internal.h
> > @@ -51,7 +51,7 @@ struct pool_entry_s {
> > uint64_t free_bufs;
> > char name[ODP_BUFFER_POOL_NAME_LEN];
> >
> > - odp_buffer_pool_t pool ODP_ALIGNED_CACHE;
> > + odp_buffer_pool_t pool_hdl ODP_ALIGNED_CACHE;
Anders, I think you meant this one. It's renamed already in this patch.
> > uintptr_t buf_base;
> > size_t buf_size;
> > size_t buf_offset;
> > @@ -68,7 +68,7 @@ struct pool_entry_s {
> > extern void *pool_entry_ptr[];
> >
> >
> > -static inline void *get_pool_entry(odp_buffer_pool_t pool_id)
> > +static inline void *get_pool_entry(uint32_t pool_id)
> > {
> > return pool_entry_ptr[pool_id];
> > }
> > @@ -83,7 +83,7 @@ static inline odp_buffer_hdr_t
> *odp_buf_to_hdr(odp_buffer_t buf)
> > odp_buffer_hdr_t *hdr;
> >
> > handle.u32 = buf;
> > - pool_id = handle.pool;
> > + pool_id = handle.pool_id;
> > index = handle.index;
> >
> > #ifdef POOL_ERROR_CHECK
> > diff --git a/platform/linux-generic/odp_buffer.c b/platform/linux-
> generic/odp_buffer.c
> > index 0169eec..e54e0e7 100644
> > --- a/platform/linux-generic/odp_buffer.c
> > +++ b/platform/linux-generic/odp_buffer.c
> > @@ -61,7 +61,7 @@ int odp_buffer_snprint(char *str, size_t n,
> odp_buffer_t buf)
> > len += snprintf(&str[len], n-len,
> > "Buffer\n");
> > len += snprintf(&str[len], n-len,
> > - " pool %i\n", hdr->pool);
> > + " pool %i\n", hdr->pool_hdl);
> > len += snprintf(&str[len], n-len,
> > " index %"PRIu32"\n", hdr->index);
> > len += snprintf(&str[len], n-len,
> > diff --git a/platform/linux-generic/odp_buffer_pool.c
> b/platform/linux-generic/odp_buffer_pool.c
> > index a48781a..e538f04 100644
> > --- a/platform/linux-generic/odp_buffer_pool.c
> > +++ b/platform/linux-generic/odp_buffer_pool.c
> > @@ -80,25 +80,40 @@ void *pool_entry_ptr[ODP_CONFIG_BUFFER_POOLS];
> > static __thread odp_buffer_chunk_hdr_t
> *local_chunk[ODP_CONFIG_BUFFER_POOLS];
> >
> >
> > +static inline odp_buffer_pool_t pool_index_to_handle(uint32_t
> pool_id)
> > +{
> > + return pool_id + 1;
> > +}
> > +
> > +
> > +static inline uint32_t pool_handle_to_index(odp_buffer_pool_t
> pool_hdl)
> > +{
> > + return pool_hdl -1;
> > +}
> > +
> > +
> > static inline void set_handle(odp_buffer_hdr_t *hdr,
> > pool_entry_t *pool, uint32_t index)
> > {
> > - uint32_t pool_id = (uint32_t) pool->s.pool;
> > + odp_buffer_pool_t pool_hdl = pool->s.pool_hdl;
> > + uint32_t pool_id = pool_handle_to_index(pool_hdl);
> >
> > - if (pool_id > ODP_CONFIG_BUFFER_POOLS)
> > - ODP_ERR("set_handle: Bad pool id\n");
> > + if (pool_id >= ODP_CONFIG_BUFFER_POOLS) {
> > + ODP_ERR("set_handle: Bad pool handle %u\n", pool_hdl);
> > + exit(0);
> > + }
> >
> > if (index > ODP_BUFFER_MAX_INDEX)
> > ODP_ERR("set_handle: Bad buffer index\n");
> >
> > - hdr->handle.pool = pool_id;
> > - hdr->handle.index = index;
> > + hdr->handle.pool_id = pool_id;
> > + hdr->handle.index = index;
> > }
> >
> >
> > int odp_buffer_pool_init_global(void)
> > {
> > - odp_buffer_pool_t i;
> > + uint32_t i;
> >
> > pool_tbl = odp_shm_reserve("odp_buffer_pools",
> > sizeof(pool_table_t),
> > @@ -113,7 +128,7 @@ int odp_buffer_pool_init_global(void)
> > /* init locks */
> > pool_entry_t *pool = &pool_tbl->pool[i];
> > LOCK_INIT(&pool->s.lock);
> > - pool->s.pool = i;
> > + pool->s.pool_hdl = pool_index_to_handle(i);
> >
> > pool_entry_ptr[i] = pool;
> > }
> > @@ -257,11 +272,11 @@ static void fill_hdr(void *ptr, pool_entry_t
> *pool, uint32_t index,
> >
> > set_handle(hdr, pool, index);
> >
> > - hdr->addr = &buf_data[pool->s.buf_offset - pool->s.hdr_size];
> > - hdr->index = index;
> > - hdr->size = pool->s.user_size;
> > - hdr->pool = pool->s.pool;
> > - hdr->type = buf_type;
> > + hdr->addr = &buf_data[pool->s.buf_offset - pool->s.hdr_size];
> > + hdr->index = index;
> > + hdr->size = pool->s.user_size;
> > + hdr->pool_hdl = pool->s.pool_hdl;
> > + hdr->type = buf_type;
>
> urgh... I'm not sure show we should do this, and its not in the scope
> of
> this patch.
> However, I will raise the question here anyway.
> In the struct pool_entry_s we have (file
> platform/linux-generic/include/odp_buffer_pool_internal.h):
> odp_buffer_pool_t pool ODP_ALIGNED_CACHE;
>
> Shouldn't that be renamed to pool_hdl?
>
> I think this needs to be renamed as well, do we need to have some sort
> of naming convention for this?
>
> If we agree that this shouldn't be changed in this patch.
Done already. See above.
>
> Reviewed-by: Anders Roxell <[email protected]>
>
> And Maxim can cleanup the commit message before he push this, so you
> don't have to resend the patch.
OK.
-Petri
> Cheers,
> Anders
>
> >
> > check_align(pool, hdr);
> > }
> > @@ -363,9 +378,9 @@ odp_buffer_pool_t odp_buffer_pool_create(const
> char *name,
> > size_t buf_size, size_t buf_align,
> > int buf_type)
> > {
> > - odp_buffer_pool_t i;
> > + odp_buffer_pool_t pool_hdl = ODP_BUFFER_POOL_INVALID;
> > pool_entry_t *pool;
> > - odp_buffer_pool_t pool_id = ODP_BUFFER_POOL_INVALID;
> > + uint32_t i;
> >
> > for (i = 0; i < ODP_CONFIG_BUFFER_POOLS; i++) {
> > pool = get_pool_entry(i);
> > @@ -388,20 +403,20 @@ odp_buffer_pool_t odp_buffer_pool_create(const
> char *name,
> >
> > UNLOCK(&pool->s.lock);
> >
> > - pool_id = i;
> > + pool_hdl = pool->s.pool_hdl;
> > break;
> > }
> >
> > UNLOCK(&pool->s.lock);
> > }
> >
> > - return pool_id;
> > + return pool_hdl;
> > }
> >
> >
> > odp_buffer_pool_t odp_buffer_pool_lookup(const char *name)
> > {
> > - odp_buffer_pool_t i;
> > + uint32_t i;
> > pool_entry_t *pool;
> >
> > for (i = 0; i < ODP_CONFIG_BUFFER_POOLS; i++) {
> > @@ -411,7 +426,7 @@ odp_buffer_pool_t odp_buffer_pool_lookup(const
> char *name)
> > if (strcmp(name, pool->s.name) == 0) {
> > /* found it */
> > UNLOCK(&pool->s.lock);
> > - return i;
> > + return pool->s.pool_hdl;
> > }
> > UNLOCK(&pool->s.lock);
> > }
> > @@ -420,11 +435,12 @@ odp_buffer_pool_t odp_buffer_pool_lookup(const
> char *name)
> > }
> >
> >
> > -odp_buffer_t odp_buffer_alloc(odp_buffer_pool_t pool_id)
> > +odp_buffer_t odp_buffer_alloc(odp_buffer_pool_t pool_hdl)
> > {
> > pool_entry_t *pool;
> > odp_buffer_chunk_hdr_t *chunk;
> > odp_buffer_bits_t handle;
> > + uint32_t pool_id = pool_handle_to_index(pool_hdl);
> >
> > pool = get_pool_entry(pool_id);
> > chunk = local_chunk[pool_id];
> > @@ -462,12 +478,12 @@ odp_buffer_t odp_buffer_alloc(odp_buffer_pool_t
> pool_id)
> > void odp_buffer_free(odp_buffer_t buf)
> > {
> > odp_buffer_hdr_t *hdr;
> > - odp_buffer_pool_t pool_id;
> > + uint32_t pool_id;
> > pool_entry_t *pool;
> > odp_buffer_chunk_hdr_t *chunk_hdr;
> >
> > hdr = odp_buf_to_hdr(buf);
> > - pool_id = hdr->pool;
> > + pool_id = pool_handle_to_index(hdr->pool_hdl);
> > pool = get_pool_entry(pool_id);
> > chunk_hdr = local_chunk[pool_id];
> >
> > @@ -496,21 +512,23 @@ odp_buffer_pool_t odp_buffer_pool(odp_buffer_t
> buf)
> > odp_buffer_hdr_t *hdr;
> >
> > hdr = odp_buf_to_hdr(buf);
> > - return hdr->pool;
> > + return hdr->pool_hdl;
> > }
> >
> >
> > -void odp_buffer_pool_print(odp_buffer_pool_t pool_id)
> > +void odp_buffer_pool_print(odp_buffer_pool_t pool_hdl)
> > {
> > pool_entry_t *pool;
> > odp_buffer_chunk_hdr_t *chunk_hdr;
> > uint32_t i;
> > + uint32_t pool_id;
> >
> > - pool = get_pool_entry(pool_id);
> > + pool_id = pool_handle_to_index(pool_hdl);
> > + pool = get_pool_entry(pool_id);
> >
> > printf("Pool info\n");
> > printf("---------\n");
> > - printf(" pool %i\n", pool->s.pool);
> > + printf(" pool %i\n", pool->s.pool_hdl);
> > printf(" name %s\n", pool->s.name);
> > printf(" pool base %p\n", pool->s.pool_base_addr);
> > printf(" buf base 0x%"PRIxPTR"\n", pool->s.buf_base);
> > --
> > 2.1.0
> >
> >
> > _______________________________________________
> > lng-odp mailing list
> > [email protected]
> > http://lists.linaro.org/mailman/listinfo/lng-odp
>
> --
> Anders Roxell
> [email protected]
> M: +46 709 71 42 85 | IRC: roxell
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